This clip presents a general overview of how to make and work with adjustment and mask layers within most versions of Adobe Photoshop, CS4 & CS5 included. hether you're new to Adobe's popular raster graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video guide.